The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 15, 2016
Filed:
Aug. 02, 2012
Ken-ichi Sato, Nagoya, JP;
Hiroshi Hasegawa, Nagoya, JP;
Tomonobu Niwa, Nagoya, JP;
Hiroshi Takahashi, Tokyo, JP;
Toshio Watanabe, Tokyo, JP;
Ken-ichi Sato, Nagoya, JP;
Hiroshi Hasegawa, Nagoya, JP;
Tomonobu Niwa, Nagoya, JP;
Hiroshi Takahashi, Tokyo, JP;
Toshio Watanabe, Tokyo, JP;
NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY, Nagoya, JP;
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo, JP;
Abstract
Disclosed is a spatial switching apparatus having a plurality of input terminals, an input optical signal of a single wavelength being input to each of the plurality of the input terminals, and a plurality of output terminals an output optical signal of a single wavelength being output from each of the plurality of the output terminals. The apparatus includes a signal wavelength converting portion having an electric signal converting element converting the input optical signal into an electric signal and a variable wavelength laser, the signal wavelength converting portion using the variable wavelength laser to convert an electric signal converted by the electric signal converting element into an optical signal of an arbitrary wavelength; and a spatial switching portion having a plurality of first cyclic AWGs performing output from a plurality of output ports corresponding to wavelengths of a plurality of input signals input from the variable wavelength laser.